2419,2419,2420,2422,2423,2425,2426,2427,2428,2428,2429,2429,2428,2428,2427,2426,2425,2425,2424,2423,2422,2420,2420,2419;840,841,842,843,843,843,842,842,842,841,840,839,838,837,837,836,835,834,834,834,834,835,837,837